Practicing Mixed Martial Arts Versus Practicing One Specific Form of Martial ArtsYes, because you'll train all the basic aspects of combat: wrestling, submissions, striking. But if you want a sampler platter, it would be better to try class at every martial arts gym in town. There are other kinds of arts not covered by MMA, largely because they mostly don't work against resisting opponents or outside of extremely specific circumstances (e.g. law enforcement).

Straight punch to the head and knockoutHi Curry, I added your comments to your answer because that's where they belong. I'm fascinated by the fact that you were allowed to knock inmates out while working in corrections. It's a little weird to call that "humane", especially based on "statistics", but it's interesting.